0.01: Only tested on the emulator.
0.02: Adapted to new App code layout
0.03: Optimized rendering for the background
0.04: Only buzz on high confidence (>85%)
0.05: Improved buzz timing and rendering
0.06: Removed debug outputs, fixed rendering for upper limit, improved rendering for +/- icons, changelog version order fixed
0.07: Home button fixed and README added
0.08: tag HRM power requests to allow this ot work alongside other widgets/apps (fix #799)